Lines Matching defs:dn
174 res_hnok(const char *dn) {
175 int pch = PERIOD, ch = *dn++;
178 int nch = *dn++;
202 res_ownok(const char *dn) {
203 if (asterchar(dn[0])) {
204 if (periodchar(dn[1]))
205 return (res_hnok(dn+2));
206 if (dn[1] == '\0')
209 return (res_hnok(dn));
217 res_mailok(const char *dn) {
221 if (*dn == '\0')
225 while ((ch = *dn++) != '\0') {
236 return (res_hnok(dn));
245 res_dnok(const char *dn) {
248 while ((ch = *dn++) != '\0')